Grants for Construction and Renovation in Belgium 2026

Belgium's construction and renovation sector is at the centre of the country's climate and energy transition goals. Federal and regional governments have committed to ambitious renovation targets — the Flemish government alone aims to have all residential buildings reach energy label A by 2050. This creates enormous demand for renovation work and, crucially, significant public funding to support it.

For construction companies, this means a dual opportunity: their clients can access renovation grants that make projects financially viable, and the companies themselves can access business grants for innovation, digitalisation, and sustainability investments. Understanding both sides of the grant landscape is essential for growth.

The grant ecosystem spans three regions — Flanders, Wallonia, and Brussels — each with distinct programmes, eligibility rules, and application procedures. Federal tax incentives and EU-level funding add further layers. This guide maps the main opportunities for construction and renovation professionals in 2026.

In Flanders, the MijnVerbouwPremie programme is the primary renovation grant for homeowners and landlords. It covers insulation, heat pumps, solar panels, ventilation, and window replacements. For construction companies, understanding these premiums helps when advising clients and positioning services around grant-eligible work.

In Wallonia, the Primes Habitation from SPW cover similar renovation work — roof insulation, wall insulation, heating system replacement, and energy audits. The Walloon system uses an audit-based approach where a certified energy auditor assesses the property and recommends priority interventions.

In Brussels, Renolution is the integrated renovation premium programme. It combines what were previously separate energy, renovation, and heritage premiums into a single streamlined system. Brussels premiums are particularly generous for deep renovation projects that combine multiple energy-saving measures.

For a broader view of sustainability-related funding, see our sustainability grants overview.

Beyond client-facing renovation premiums, construction companies themselves can access green building subsidies. VLAIO offers innovation grants for companies developing new sustainable construction methods, materials, or processes. The VLAIO Ontwikkelingsproject (development project) grant can cover 25–50 % of eligible costs for R&D activities in green construction.

In Wallonia, SPW provides investment aid for companies adopting cleaner production processes or investing in energy-efficient equipment. The Chèques-entreprises programme also covers sustainability consulting for SMEs looking to reduce their environmental footprint.

At the EU level, the Horizon Europe programme funds ambitious research and innovation in sustainable construction. While these grants are competitive and require international consortia, Belgian construction firms with strong R&D capabilities should not overlook them.

VLAIO (Vlaams Agentschap Innoveren & Ondernemen) is the primary grant agency for Flemish businesses, including construction companies. Key programmes include the KMO-portefeuille for training and consulting subsidies, the Ontwikkelingsproject for R&D, and the Ecologiepremie+ for environmentally friendly investments.

Construction companies investing in BIM technology, modular construction methods, or energy-efficient equipment may qualify for VLAIO support. The KMO-portefeuille is particularly accessible — it subsidises up to 30 % of training costs and up to 40 % of consulting costs for small enterprises.

For a complete overview of all available grants, visit the BelGrant grants explorer.

The SPW (Service Public de Wallonie) administers a broad range of renovation support programmes. Beyond the residential Primes Habitation, SPW offers grants for commercial building renovation, heritage restoration, and accessibility improvements. Companies performing this work benefit from a steady pipeline of grant-funded projects.

Brussels' Renolution programme is notable for its progressive premium structure — lower-income households receive higher premiums, and deep renovations combining multiple measures get bonus amounts. The programme also supports circular economy approaches in construction, such as material reuse and deconstruction.

To assess which specific grants your construction company or your clients may qualify for, BelGrant's AI assistant can help filter opportunities by region, activity type, and company profile.